BMW X5 Owners & Service Manuals

BMW X5: Rocker Arm With Bearing Mount

REMOVING AND INSTALLING/REPLACING ALL CAM FOLLOWERS (N52K)

Special tools required:

Necessary preliminary tasks:

IMPORTANT: Rocker arms (1) are divided into bearing categories.

The tolerance classes are marked according to the picture in numbers from 1 to 5.

Already used rocker arms (1) may only be reused in the same position.

Detach cam followers (1) from HVCA element and remove.

Set down all cam followers (1) in neat order in special tool 11 4 480.

Installation:

Before installing exhaust camshaft or intermediate levers, make sure cam followers (1) are correctly seated.

Rocker Arm With Bearing Mount
Fig. 207: Cam Follower Seat

Remove HVCA element (1) in direction of arrow.

Installation:

If the HVCA elements (1) are reused, they must be placed together with the cam followers in neat order in special tool 11 4 480.

Rocker Arm With Bearing Mount
Fig. 208: Removing HVCA Element

Assemble engine.

Check function of DME; if necessary, readjust uniform mixture distribution.

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Special tools required: 11 4 481 Necessary preliminary tasks: Remove cylinder head cover Remove intermediate lever If necessary, move eccentric shaft (1) on twin surface to minimum lift (2). F

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